August 1993
Revised April 1999
7
4
VH
C15
3
Dual
4-
In
put
M
u
lt
ipl
exer
1999 Fairchild Semiconductor Corporation
DS011634.prf
www.fairchildsemi.com
74VHC153
Dual 4-Input Multiplexer
General Description
The VHC153 is an advanced high-speed CMOS device
fabricated with silicon gate CMOS technology. It achieves
the high-speed operation similar to equivalent Bipolar
Schottky TTL while maintaining the CMOS low power dissi-
pation. The VHC153 is a high-speed Dual 4-Input Multi-
plexer with common select inputs and individual enable
inputs for each section. It can select two lines of data from
four sources. The two buffered outputs present data in the
true (non-inverted) form. In addition to multiplexer opera-
tion, the VHC153 can act as a function generator and gen-
erate any two functions of three variables. An input
protection circuit insures that 0V to 7V can be applied to
the input pins without regard to the supply voltage. This
device can be used to interface 5V to 3V systems and two
supply systems such as battery backup. This circuit pre-
vents device destruction due to mismatched supply and
input voltages.
Features
s
High Speed: t
PD
=
5.0 ns at T
A
=
25
C
s
Low power dissipation: I
CC
=
4
A (max) at T
A
=
25
C
s
High noise immunity: V
NIH
=
V
NIL
=
28% V
CC
(min)
s
Power down protection is provided on all inputs
s
Pin and function compatible with 74HC153
Ordering Code:
Surface mount packages are also available on Tape and Reel. Specify by appending the suffix letter "X" to the ordering code.
Logic Symbols
IEEC/IEC
Connection Diagram
Pin Descriptions
Order Number
Package Number
Package Description
74VHC153M
M16A
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
74VHC153SJ
M16D
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74VHC153MTC
MTC16
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
74VHC153N
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Pin Names
Description
I
0a
I
3a
Side A Data Inputs
I
0b
I
3b
Side B Data Inputs
S
0
, S
1
Common Select Inputs
E
a
Side A Enable Input
E
b
Side B Enable Input
Z
a
Side A Output
Z
b
Side B Output
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2
74
V
HC153
Functional Description
The VHC153 is a dual 4-input multiplexer. It can select two
bits of data from up to four sources under the control of the
common Select inputs (S
0
, S
1
). The two 4-input multiplexer
circuits have individual active-LOW Enables (E
a
, E
b
) which
can be used to strobe the outputs independently. When the
Enables (E
a
, E
b
) are HIGH, the corresponding outputs (Z
a
,
Z
b
) are forced LOW. The VHC153 is the logic implementa-
tion of a 2-pole, 4-position switch, where the position of the
switch is determined by the logic levels supplied to the
Select inputs. The logic equations for the outputs are
shown below.
Z
a
=
E
a
(I
0a
S
1
S
0
+
I
1a
S
1
S
0
+
I
2a
S
1
S
0
+
I
3a
S
1
S
0
)
Z
b
=
E
b
(I
0b
S
1
S
0
+
I
1b
S
1
S
0
+
I
2b
S
1
S
0
+
I
3b
S
1
S
0
)
Truth Table
H
=
HIGH Voltage Level
L
=
LOW Voltage Level
X
=
Immaterial
Logic Diagram
Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays.
Select
Inputs (a or b)
Output
Inputs
S
0
S
1
E
I
0
I
1
I
2
I
3
Z
X
X
H
X
X
X
X
L
L
L
L
L
X
X
X
L
L
L
L
H
X
X
X
H
H
L
L
X
L
X
X
L
H
L
L
X
H
X
X
H
L
H
L
X
X
L
X
L
L
H
L
X
X
H
X
H
H
H
L
X
X
X
L
L
H
H
L
X
X
X
H
H
3
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7
4
VH
C15
3
Absolute Maximum Ratings
(Note 1)
Recommended Operating
Conditions
(Note 2)
Note 1: Absolute maximum ratings are those values beyond which the
device may be damaged or have its useful life impaired. The databook
specifications should be met, without exception, to ensure that the system
design is reliable over its power supply, temperature, and output/input load-
ing variables. Fairchild does not recommend operation outside databook
specifications.
Note 2: Unused inputs must be held HIGH or LOW. They may not float.
DC Electrical Characteristics
Supply Voltage (V
CC
)
-
0.5V to
+
7.0V
DC Input Voltage (V
IN
)
-
0.5V to
+
7.0V
DC Output Voltage (V
OUT
)
-
0.5V to V
CC
+
0.5V
Input Diode Current (I
IK
)
-
20 mA
Output Diode Current (I
OK
)
20 mA
DC Output Current (I
OUT
)
25 mA
DC V
CC
/GND Current (I
CC
)
50 mA
Storage Temperature (T
STG
)
-
65
C to
+
150
C
Lead Temperature (T
L
)
(Soldering, 10 seconds)
260
C
Supply Voltage (V
CC
)
2.0V to 5.5V
Input Voltage (V
IN
)
0V to
+
5.5
Output Voltage (V
OUT
)
0V to V
CC
Operating Temperature (T
OPR
)
-
40
C to
+
85
C
Input Rise and Fall Time (t
r
, t
f
)
V
CC
=
3.3V
0.3V
0
100 ns/V
V
CC
=
5.0V
0.5V
0
20 ns/V
Symbol
Parameter
V
CC
(V)
T
A
=
25
C
T
A
=
-
40
C to
+
85
C
Units
Conditions
Min
Typ
Max
Min
Max
V
IH
HIGH Level Input
2.0
1.50
1.50
V
Voltage
3.0
-
5.5
0.7 V
CC
0.7 V
CC
V
IL
LOW Level Input
2.0
0.50
0.50
V
Voltage
3.0
-
5.5
0.3 V
CC
0.3 V
CC
V
OH
HIGH Level Output
2.0
1.9
2.0
1.9
V
IN
=
V
IH
I
OH
=
-
50
A
Voltage
3.0
2.9
3.0
2.9
V
or V
IL
4.5
4.4
4.5
4.4
3.0
2.58
2.48
V
I
OH
=
-
4 mA
4.5
3.94
3.80
I
OH
=
-
8 mA
V
OL
LOW Level Output
2.0
0.0
0.1
0.1
V
IN
=
V
IH
I
OL
=
50
A
Voltage
3.0
0.0
0.1
0.1
V
or V
IL
4.5
0.0
0.1
0.1
3.0
0.36
0.44
V
I
OL
=
4 mA
4.5
0.36
0.44
I
OL
=
8 mA
I
IN
Input Leakage Current
0
-
5.5
0.1
1.0
A
V
IN
=
5.5V or GND
I
CC
Quiescent Supply Current
5.5
4.0
40.0
A
V
IN
=
V
CC
or GND
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4
74
V
HC153
AC Electrical Characteristics
Note 3: C
PD
is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load. Average
operating current can be obtained by the equation: I
CC
(opr.)
=
C
PD
* V
CC
* f
IN
+
I
CC
.
Symbol
Parameter
V
CC
(V)
T
A
=
25
C
T
A
=-
40
C to
+
85
C
Units
Conditions
Min
Typ
Max
Min
Max
t
PLH
Propagation Delay
3.3
0.3
7.7
11.9
1.0
14.0
ns
C
L
=
15 pF
t
PHL
I
n
to Z
n
10.2
15.4
1.0
17.5
C
L
=
50 pF
5.0
0.5
5.0
7.7
1.0
9.0
ns
C
L
=
15 pF
6.5
9.7
1.0
11.0
C
L
=
50 pF
t
PLH
Propagation Delay
3.3
0.3
10.8
16.7
1.0
19.5
ns
C
L
=
15 pF
t
PHL
S
n
to Z
n
13.3
20.2
1.0
23.0
C
L
=
50 pF
5.0
0.5
6.8
9.9
1.0
11.5
ns
C
L
=
15 pF
8.3
11.9
1.0
13.5
C
L
=
50 pF
t
PLH
Propagation Delay
3.3
0.3
6.3
10.1
1.0
12.0
ns
C
L
=
15 pF
t
PHL
E
n
to Z
n
8.8
13.6
1.0
15.5
C
L
=
50 pF
5.0
0.5
4.4
6.4
1.0
7.5
ns
C
L
=
15 pF
5.9
8.4
1.0
9.5
C
L
=
50 pF
C
IN
Input Capacitance
4
10
10
pF
V
CC
=
Open
C
PD
Power Dissipation
20
pF
(Note 3)
Capacitance
5
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7
4
VH
C15
3
Physical Dimensions
inches (millimeters) unless otherwise noted
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
Package Number M16A
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
Package Number M16D
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